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—In this paper we compare four risk analysis methods: Mehari, Magerit, NIST800-30 and Microsoft's Security Management Guide. Mehari is a method for risk analysis and risk management developed by CLUSIF (Club de la Sécurité de l'Information Français). Magerit is a risk analysis and management methodology for information systems developed by CSAE (Consejo(More)
Considering the fact that P2P (Peer-to-Peer) systems are self-organized and autonomous, social-control mechanism (like trust and reputation) is essential to evaluate the trustworthiness of participating peers and to combat the selfish, dishonest and malicious peer behaviors. So, naturally, we advocate that P2P systems that gradually act as an important(More)
With the multiplication of attacks against computer networks, system administrators need to monitor carefully the networks they manage. However, that monitoring task is made harder because of the increasing amount of data to process. Conventional automated tools provide limited support and most of the time require high skilled operators. Recently, tools(More)
A mobility management scheme for handling seamless handoffs between appropriate datalink interfaces is presented. The future mobile environment will be characterized by multimodal connectivity to the Internet with dynamic switching based on many factors. Many technologies have been proposed to support host mobility across diverse wireless access networks,(More)
Provenance is defined in some literature as a complete documentation of process that led to an object. Provenance has been utilized in some contexts, i.e. database systems, file systems and grid systems. Provenance can be represented by a directed acyclic graph (DAG). In this paper we show an access control method to the provenance information that is(More)
SUMMARY Two congestion control schemes designed specifically to handle changes in the datalink interface of a mobile host are presented. The future mobile environment is expected to involve multimode connectivity to the Internet and dynamic switching of the connection mode depending on network conditions. The conventional Transmission Control Protocol(More)